Job Title: Thermal Mechanical Modeling EngineerHiring Department: Texas Institute for ElectronicsLocation: Austin, TXWeekly Scheduled Hours: 40Earliest Start Date: OngoingPurposeThis role leads and executes comprehensive thermal and mechanical simulations for advanced 2.5D/3.0D heterogeneous integration and multi‑material packages, collaborates with EDA vendors, OSATs, and foundries, stays current with next‑gen interface standards, guides technical strategy, and mentors junior engineers.ResponsibilitiesOwn and execute hands‑on semiconductor package mechanical and thermal simulations for advanced 2.5D/3.0D heterogeneous integration and multi‑material packages.Perform modeling, extraction, and verification of high‑speed interconnects, power delivery networks, thermal management, and mechanical stress across chiplets and advanced substrates.Build and validate comprehensive ADK/PDK models (electrical, EM, thermal, mechanical) that accurately represent package‑level behavior and enable system‑level co‑design.Run end‑to‑end simulation workflows including thermal/structural reliability checks and co‑simulation across domains.Collaborate directly with EDA vendors, OSATs, and foundries to develop, test, and refine package simulation flows.Generate user guides, reference flows, scripts, and automation that make SI/PI/multiphysics enablement repeatable and accessible to design teams.Stay current with next‑gen interface standards (PCIe Gen6/7, CXL, UCIe, UALink, SerDes, HBM) and incorporate their requirements into package design methodologies.Guide technical strategy for SI/PI flows, mentor junior engineers, and represent TIE in working groups, customer design reviews, and industry forums.Perform other related functions as assigned.Required Qualifications – EngineerBS in Electrical Engineering, Computer Engineering, Applied Physics, or related discipline.3+ years of direct experience in multiphysics simulations for advanced packaging, 2.5D/3DIC, or heterogeneous integration.Strong expertise with EDA/EM/multiphysics tools such as Ansys HFSS, Cadence Sigrity, Synopsys RaptorX, etc.Proven ability to extract and package‑level models (dielectric/thermal constants, warpage/stress data) and integrate into design enablement flows.Hands‑on scripting/automation skills (Python, Tcl, SKILL).Self‑motivated, execution‑oriented, takes ownership, works with minimal supervision.Location: must reside in Austin, Texas.Required Qualifications – Senior EngineerMS or PhD in Electrical Engineering, Applied Physics, or related discipline.5+ years of direct experience in multiphysics simulations for advanced packaging.Deep experience with multi‑material packages (Si, glass, organics, Cu, RDL, TSV, hybrid bonding).Expertise in system‑level co‑simulation across electrical, thermal, and mechanical domains for high‑power/high‑bandwidth‑density packages.Preferred Qualifications – Engineer/Senior EngineerFamiliarity with industry standards (IEEE, JEDEC, OIF, UCIe, 3Dblox, JEP30) and experience contributing to working groups.Background in high‑speed interconnect modeling and compliance testing for PCIe, CXL, UCIe, SerDes, HBM.Experience creating and validating PDK/ADK simulation collateral spanning thermal and mechanical domains.Track record of technical publications, patents, or open‑source contributions in SI/PI/multiphysics simulation and design enablement.Salary RangeIndustry competitive; salary commensurate with experience.Working ConditionsUniforms and/or personal protection equipment (furnished).May work in all weather, extreme temperatures, around chemical fumes, standard office conditions, biohazards, chemicals, electrical and mechanical hazards.Repetitive use of a keyboard and manual dexterity (e.g., mouse).Climbing of stairs or ladders; lifting and moving up to 30 pounds.Work ShiftMonday–Friday; occasional nights/weekends required.Equal Opportunity EmployerThe University of Texas at Austin, as an equal opportunity/affirmative action employer, complies with all applicable federal and state laws regarding nondiscrimination and affirmative action. The University is committed to a policy of equal opportunity for all persons and does not discriminate on the basis of race, color, national origin, age, marital status, sex, sexual orientation, gender identity, gender expression, disability, religion, or veteran status in employment, educational programs and activities, and admissions.Employment EligibilityRegular staff must have been employed in their current position for the last six continuous months. Staff who are promotion/transfer eligible may apply without supervisor approval.Retirement Plan EligibilityRetirement plan: Teacher Retirement System of Texas (TRS) subject to at least 20 hours per week and 135 days. Optional Retirement Program (ORP) available for 40‑hour positions with 135 days.Background ChecksA criminal history background check will be required for finalists under consideration.Pay TransparencyThe University of Texas at Austin will not discriminate based on inquiries about pay. Employees with access to compensation information are bound by the company's legal duty to furnish information.Employment Eligibility VerificationAll hires must complete the federal I‑9 form and provide original documents proving identity and authorization to work in the United States within three days of employment or face termination.E‑VerifyThe University of Texas at Austin uses E‑Verify for all new hires.ComplianceEmployees may be required to report violations of Title IX or the Clery Act. More details available in university policies.#J-18808-Ljbffr